1// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
  2/*
  3 * Broadcom BCM470X / BCM5301X ARM platform code.
  4 * DTS for Buffalo WZR-1750DHP
  5 *
  6 * Copyright (C) 2014 Rafał Miłecki <zajec5@gmail.com>
  7 */
  8
  9/dts-v1/;
 10
 11#include "bcm4708.dtsi"
 12#include "bcm5301x-nand-cs0-bch8.dtsi"
 13
 14/ {
 15	compatible = "buffalo,wzr-1750dhp", "brcm,bcm4708";
 16	model = "Buffalo WZR-1750DHP (BCM4708)";
 17
 18	chosen {
 19		bootargs = "console=ttyS0,115200 earlycon";
 20	};
 21
 22	memory@0 {
 23		device_type = "memory";
 24		reg = <0x00000000 0x08000000>,
 25		      <0x88000000 0x18000000>;
 26	};
 27
 28	spi {
 29		compatible = "spi-gpio";
 30		num-chipselects = <1>;
 31		gpio-sck = <&chipcommon 7 0>;
 32		gpio-mosi = <&chipcommon 4 0>;
 33		cs-gpios = <&chipcommon 6 0>;
 34		#address-cells = <1>;
 35		#size-cells = <0>;
 36
 37		hc595: gpio_spi@0 {
 38			compatible = "fairchild,74hc595";
 39			reg = <0>;
 40			registers-number = <1>;
 41			spi-max-frequency = <100000>;
 42
 43			gpio-controller;
 44			#gpio-cells = <2>;
 45
 46		};
 47	};
 48
 49	leds {
 50		compatible = "gpio-leds";
 51
 52		led-usb {
 53			label = "bcm53xx:blue:usb";
 54			gpios = <&hc595 0 GPIO_ACTIVE_HIGH>;
 55			trigger-sources = <&ohci_port1>, <&ehci_port1>,
 56					  <&xhci_port1>, <&ohci_port2>,
 57					  <&ehci_port2>;
 58			linux,default-trigger = "usbport";
 59		};
 60
 61		led-power0 {
 62			label = "bcm53xx:red:power";
 63			gpios = <&hc595 1 GPIO_ACTIVE_HIGH>;
 64		};
 65
 66		led-power1 {
 67			label = "bcm53xx:white:power";
 68			gpios = <&hc595 2 GPIO_ACTIVE_HIGH>;
 69			linux,default-trigger = "default-on";
 70		};
 71
 72		led-router0 {
 73			label = "bcm53xx:blue:router";
 74			gpios = <&hc595 3 GPIO_ACTIVE_HIGH>;
 75			linux,default-trigger = "default-on";
 76		};
 77
 78		led-router1 {
 79			label = "bcm53xx:amber:router";
 80			gpios = <&hc595 4 GPIO_ACTIVE_HIGH>;
 81		};
 82
 83		led-wan {
 84			label = "bcm53xx:blue:wan";
 85			gpios = <&hc595 5 GPIO_ACTIVE_HIGH>;
 86			linux,default-trigger = "default-on";
 87		};
 88
 89		led-wireless0 {
 90			label = "bcm53xx:blue:wireless";
 91			gpios = <&hc595 6 GPIO_ACTIVE_HIGH>;
 92		};
 93
 94		led-wireless1 {
 95			label = "bcm53xx:amber:wireless";
 96			gpios = <&hc595 7 GPIO_ACTIVE_HIGH>;
 97		};
 98	};
 99
100	gpio-keys {
101		compatible = "gpio-keys";
102
103		button-restart {
104			label = "Reset";
105			linux,code = <KEY_RESTART>;
106			gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>;
107		};
108
109		button-aoss {
110			label = "AOSS";
111			linux,code = <KEY_WPS_BUTTON>;
112			gpios = <&chipcommon 12 GPIO_ACTIVE_LOW>;
113		};
114
115		/* Commit mode set by switch? */
116		button-mode {
117			label = "Mode";
118			linux,code = <KEY_SETUP>;
119			gpios = <&chipcommon 13 GPIO_ACTIVE_LOW>;
120		};
121
122		/* Switch: AP mode */
123		button-sw-ap {
124			label = "AP";
125			linux,code = <BTN_0>;
126			gpios = <&chipcommon 14 GPIO_ACTIVE_LOW>;
127		};
128
129		button-eject {
130			label = "USB eject";
131			linux,code = <KEY_EJECTCD>;
132			gpios = <&chipcommon 15 GPIO_ACTIVE_LOW>;
133		};
134	};
135};
136
137&usb2 {
138	vcc-gpio = <&chipcommon 9 GPIO_ACTIVE_HIGH>;
139};
140
141&usb3 {
142	vcc-gpio = <&chipcommon 10 GPIO_ACTIVE_LOW>;
143};
144
145&spi_nor {
146	status = "okay";
147};
148
149&usb3_phy {
150	status = "okay";
151};